| article html file updated | 1 September 2025 04:33 CEST | Update | https://www.mdpi.com/2218-6581/9/3/60 |
| article html file updated | 22 July 2022 02:02 CEST | Update | - |
| article html file updated | 7 August 2020 09:47 CEST | Update | - |
| article pdf uploaded. | 7 August 2020 09:46 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/3/60/pdf |
| article xml uploaded. | 7 August 2020 09:46 CEST | Update | https://www.mdpi.com/2218-6581/9/3/60/xml |
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| article pdf uploaded. | 6 August 2020 12:49 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/3/60/pdf-vor |
| article xml file uploaded | 6 August 2020 12:49 CEST | Original file | - |
| article pdf uploaded. | 31 July 2020 14:16 CEST | Version of Record | https://www.mdpi.com/2218-6581/9/3/60/pdf-vor |
